lysis

[ lahy-sis ]

noun,plural ly·ses

[lahy-seez]. /ˈlaɪ siz/.

Immunology, Biochemistry. the dissolution or destruction of cells by lysins.
Medicine/Medical. the gradual recession of a disease.: Compare crisis (def. 4).

Origin of lysis

1815–25; <New Latin <Greek lýsis a loosening, releasing, equivalent to ly-, variant stem of lȳ́(ein) to loosen, release + -sis-sis

Words Nearby lysis

Other definitions for -lysis (2 of 2)

-lysis

a combining form with the meaning “breaking down, loosening, decomposition,” used in the formation of compound words: analysis; electrolysis; paralysis.

Origin of -lysis

From Greek; see origin at lysis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use lysis in a sentence

There is evil too inseparable from good (compare lysis); not always punished here, as good is not always rewarded.
Phaedo | Plato
She was extremely clear-headed in her reason, and referred them to the Symposium and the dialogue on lysis, to prove her point.
Dodo's Daughter | E. F. Benson
Some difference appears to be intended between the characters of the more talkative Menexenus and the reserved and simple lysis.
Lysis | Plato
This attracted lysis, who was constantly turning round to look at us—he was evidently wanting to come to us.
Lysis | Plato
lysis and Menexenus gave a faint assent to this; and Hippothales changed into all manner of colours with delight.
Lysis | Plato

British Dictionary definitions for lysis (1 of 2)

lysis

/ (ˈlaɪsɪs) /

nounplural -ses (-siːz)

the destruction or dissolution of cells by the action of a particular lysin
med the gradual reduction in severity of the symptoms of a disease

Origin of lysis

C19: New Latin, from Greek, from luein to release

British Dictionary definitions for -lysis (2 of 2)

-lysis

n combining form

indicating a loosening, decomposition, or breaking down: electrolysis; paralysis

Origin of -lysis

from Greek, from lusis a loosening; see lysis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lysis

lysis

[ lī′sĭs ]

The disintegration of a cell resulting from destruction of its membrane by a chemical substance, especially an antibody or enzyme.

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